# .github/workflows/base.yml
name: Build
on:
  # this one is to trigger the workflow manually from the interface
  workflow_dispatch:

  push:
    tags:
      - '*'
    branches:
      - main
  pull_request:
    branches:
      - main

defaults:
  run:
    shell: bash -l {0}

jobs:
  # pre-job to read nox tests matrix - see https://stackoverflow.com/q/66747359/7262247
  list_nox_test_sessions:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.1

      - name: Install python 3.9
        uses: actions/setup-python@v5.0.0
        with:
          python-version: 3.9
          architecture: x64

      - name: Install noxfile requirements
        run: pip install -r noxfile-requirements.txt

      - name: List 'tests' nox sessions and required python versions
        id: set-matrix
        run: echo "matrix=$(nox --json -l -s tests -v)" >> $GITHUB_OUTPUT

    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}  # save nox sessions list to outputs

  run_all_tests:
    needs: list_nox_test_sessions
    strategy:
      fail-fast: false
      matrix:
        # see https://github.com/actions/setup-python/issues/544
        # os: [ ubuntu-20.04 ]
        os: [ ubuntu-latest ]  # , macos-latest, windows-latest]
        # all nox sessions: manually > dynamically from previous job
        # nox_session: ["tests-2.7", "tests-3.7"]
        nox_session: ${{ fromJson(needs.list_nox_test_sessions.outputs.matrix) }}

    name: ${{ matrix.os }} ${{ matrix.nox_session.python }} ${{ matrix.nox_session.session }} # ${{ matrix.name_suffix }}
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.1

      - name: Install python ${{ matrix.nox_session.python }} for tests
        if: ${{ ! contains(fromJson('["3.13"]'), matrix.nox_session.python ) }}
        uses: MatteoH2O1999/setup-python@v3.2.1  # actions/setup-python@v5.0.0
        id: set-py
        with:
          python-version: ${{ matrix.nox_session.python }}
          architecture: x64
          allow-build: info
          cache-build: true

      - name: Install python ${{ matrix.nox_session.python }} for tests (3.13)
        if: contains(fromJson('["3.13"]'), matrix.nox_session.python )
        uses: actions/setup-python@v5
        id: set-py-latest
        with:
          # Include all versions including pre releases
          # See https://github.com/actions/setup-python/blob/main/docs/advanced-usage.md#specifying-a-python-version
          python-version: ${{ format('~{0}.0-alpha.0', matrix.nox_session.python) }}
          architecture: x64
          allow-build: info
          cache-build: true

      - name: Install python 3.12 for nox
        uses: actions/setup-python@v5.0.0
        with:
          python-version: 3.12
          architecture: x64

      - name: pin virtualenv==20.15.1 in old python versions
        # pinned to keep compatibility with old versions, see https://github.com/MatteoH2O1999/setup-python/issues/28#issuecomment-1745613621
        if: contains(fromJson('["2.7", "3.5", "3.6"]'), matrix.nox_session.python )
        run: sed -i "s/virtualenv/virtualenv==20.15.1/g" noxfile-requirements.txt

      - name: Install noxfile requirements
        run: pip install -r noxfile-requirements.txt

      - name: Run nox session ${{ matrix.nox_session.session }}
        run: nox -s "${{ matrix.nox_session.session }}" -v

      # Share ./docs/reports so that they can be deployed with doc in next job
      - name: Share reports with other jobs
        if: runner.os == 'Linux'
        uses: actions/upload-artifact@v4.3.0
        with:
          name: reports_dir
          path: ./docs/reports

  build_doc:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.1

      - name: Install python 3.9 for nox
        uses: actions/setup-python@v5.0.0
        with:
          python-version: 3.9
          architecture: x64

      - name: Install noxfile requirements
        run: pip install -r noxfile-requirements.txt

      - name: Build the doc including example gallery
        run: nox -s docs -- build

  publish_release:
    needs: run_all_tests
    runs-on: ubuntu-latest
    if: github.event_name == 'push'
    steps:
      - name: GitHub context to debug conditional steps
        env:
          GITHUB_CONTEXT: ${{ toJSON(github) }}
        run: echo "$GITHUB_CONTEXT"

      - name: Checkout with no depth
        uses: actions/checkout@v4.1.1
        with:
          fetch-depth: 0  # so that gh-deploy works

      - name: Install python 3.9 for nox
        uses: actions/setup-python@v5.0.0
        with:
          python-version: 3.9
          architecture: x64

      # 1) retrieve the reports generated previously
      - name: Retrieve reports
        uses: actions/download-artifact@v4.1.1
        with:
          name: reports_dir
          path: ./docs/reports

      # Nox install
      - name: Install noxfile requirements
        run: pip install -r noxfile-requirements.txt

      # 5) Run the flake8 report and badge
      - name: Run flake8 analysis and generate corresponding badge
        run: nox -s flake8

      # -------------- only on Ubuntu + MAIN PUSH (no pull request, no tag) -----------

      # 5) Publish the doc and test reports
      - name: \[not on TAG\] Publish documentation, tests and coverage reports
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/heads')  # startsWith(matrix.os,'ubuntu')
        run: nox -s publish

      # 6) Publish coverage report
      - name: \[not on TAG\] Create codecov.yaml with correct paths
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/heads')
        shell: bash
        run: |
          cat << EOF > codecov.yml
          # codecov.yml
          fixes:
            - "/home/runner/work/smarie/python-makefun/::" # Correct paths
          EOF
      - name: \[not on TAG\] Publish coverage report
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/heads')
        uses: codecov/codecov-action@v4.0.1
        with:
          files: ./docs/reports/coverage/coverage.xml
      - name: \[not on TAG\] Build wheel and sdist
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/heads')
        run: nox -s build

      # -------------- only on Ubuntu + TAG PUSH (no pull request) -----------

      # 7) Create github release and build the wheel
      - name: \[TAG only\] Build wheel and create github release
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
        run: nox -s release -- ${{ secrets.GITHUB_TOKEN }}

      # 8) Publish the wheel on PyPi
      - name: \[TAG only\] Deploy on PyPi
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}

  delete-artifacts:
    needs: publish_release
    runs-on: ubuntu-latest
    if: github.event_name == 'push'
    steps:
      - uses: kolpav/purge-artifacts-action@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          expire-in: 0 # Setting this to 0 will delete all artifacts